An easily adjustable, comfortable solution for patients with a boxer's fracture, protecting and supporting the fourth and fifth metacarpals without restricting flexion of the metacarpophalangeal joints. Designed for fractures of the fourth and/or fifth metacarpal. Malleable palmar and dorsal aluminum stays. Molded plastic clamshell design. Metacarpal closure strap with patented V-Strap Retention System. Easily adjustable elastic finger and wrist closure straps. Polypropylene felt liner. Immobilizes hand at the intrinsic plus position. Metacarpophalangeal joints are flexed at 60-70 degrees. Interphalangeal joints are fully extended. Easy application; strap will not disengage with the plastic buckle when applying or removing the splint. Straps can be adjusted as swelling increases or decreases.